CN102746667A - Polyaniline/nanogold composite material synthesized by solid-phase method - Google Patents
Polyaniline/nanogold composite material synthesized by solid-phase method Download PDFInfo
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- CN102746667A CN102746667A CN2012102398086A CN201210239808A CN102746667A CN 102746667 A CN102746667 A CN 102746667A CN 2012102398086 A CN2012102398086 A CN 2012102398086A CN 201210239808 A CN201210239808 A CN 201210239808A CN 102746667 A CN102746667 A CN 102746667A
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- polyaniline
- composite material
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- nanogold composite
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Abstract
The invention relates to a method for preparing a polyaniline/nanogold composite material by a room-temperature solid-phase method, which comprises the following steps: mixing aniline, doping acid, oxidizer and chloroauric acid in a certain mass ratio, grinding at room temperature to react for some time, washing with ethanol and distilled water, filtering, and drying to obtain the polyaniline/nanogold composite material powder. The method has the advantages of mild reaction conditions, quick reaction, low energy consumption and no pollution, and is simple to operate; and the prepared polyaniline/nanogold composite material has the advantages of regular structure and high reproducibility, and is hopeful to be applied to industrial large-scale production.
Description
Technical field
The present invention relates to a kind of method for preparing polyaniline/nanometer gold matrix material, belong to conductive polymers/metal composite preparation field.
Background technology
Polyaniline (Polyaniline) is as important pi-conjugated conducting polymer composite; With inexpensive, the good environmental stability of its raw material, higher advantages such as specific conductivity, reversible doping-dedoping characteristic, unique chemical and chemical property, in many sciemtifec and technical spheres, demonstrate wide application prospect.In recent years, polyaniline/metal nanoparticle is widely used in fields such as electrode materials, catalysis, transmitter, sun power utilization and causes people's attention day by day as one type of important organic/inorganic composite material because of it.Wherein, golden nanometer particle forms the focus into field of biosensors and electrode materials research because of advantages such as its nontoxic and good bio-compatibility and favorable conductive rates.
The preparation method of such matrix material mainly contains at present: situ aggregation method, electrochemical synthesis method, blending method, self-assembling technique etc.But these method production costs are high, and consumption consuming time just produces a large amount of organic liquid wastes.Therefore it is gentle to seek a kind of reaction conditions, easy handling, and simple and convenient, the method for environmental sound prepares such matrix material becomes research focus.In recent years, solvent-free to having, pollute less, the solid phase synthesis process of one of the synthesizing mean of weak point consuming time, simple operation and other advantages received people's favor, become the new way of Search green chemistry and technology.In addition, solid phase method is applicable to large-scale industrial production, and this is that other method is incomparable.
Summary of the invention
The object of the present invention is to provide the method for the synthesized polyaniline/gold nano matrix material of a kind of cost cheapness, weak point consuming time, easy handling, environmentally safe.
The inventor finds that aniline monomer (Aniline) adds dopant acid in reaction system and becomes solid salt in the process of research solid state reaction, adds the intermediate state polyaniline that generates after the oxygenant polymerization and can reduce hydrochloro-auric acid (HAuCl
44H
2O) become gold nano grain.The method that the present invention prepares polyaniline/nanometer gold matrix material be with aniline monomer and dopant acid (tosic acid,
p-TSA), oxygenant (ammonium persulphate, APS) and HAuCl
44H
2O grinds the generation redox reaction at ambient temperature.This method reaction conditions is gentle, simple to operate, reaction is fast, energy consumption is low, pollution-free, and it is regular to make polyaniline/nanometer gold composite structure, and circulation ratio is high.
Description of drawings
Fig. 1 is the SEM figure of obtained polyaniline/nanometer gold matrix material.
Fig. 2 is the XRD figure of obtained polyaniline/nanometer gold matrix material.
Fig. 3 is the EDX figure of obtained polyaniline/nanometer gold matrix material.
ESEM can find out that matrix material demonstrates attaching particles shape gold grain on the block polyaniline matrix among Fig. 1.The texture ratio that can find out matrix material among Fig. 2 is more regular, and the gold nano grain crystallinity is good.Be the chain-like structure that is respectively polyaniline cycle collimation and perpendicularity wherein at the peak of 20 ° and 25.5 ° appearance; Sharp peak 38 °, 44.2 ° and 64.5 ° appearance belongs to (111), (200) and (220) crystal face for gold nano grain respectively.Fig. 3 is the energy dispersion X ray spectrum of matrix material, infers that by intensity the plain relative content of gold dollar is approximately 33.34%.
Embodiment
Embodiment
Take by weighing 1.9 g
p-TSA places agate mortar, measures 1 mL Aniline and mixes with it fast, grinds to become the white salt shape in 5 minutes, takes by weighing 2.28 g APS thorough mixing with it, grinds to become emerald green powder after 10 minutes, adds 50 mg HAuCl
44H
2O continues to grind 30 minutes, uses zero(ppm) water and washing with alcohol respectively, filters, and drying obtains polyaniline/nanometer gold composite material powder.
Claims (4)
1. being that polymeric matrix is done carrier with the polyaniline, is Jin Yuan with the hydrochloro-auric acid, adopts solid phase method to prepare polyaniline/nanometer gold matrix material.
2. it is said to press claims 1, uses dopant acid and the oxygenant of different ratios and hydrochloro-auric acid to be raw material respectively, preparation polyaniline/nanometer gold matrix material.
3. it is said to press claims 1 and 2, and made polyaniline/nanometer gold matrix material is applied to electrode materials.
4. it is said to press claims 1 and 2, and made polyaniline/nanometer gold matrix material is applied to ydrogen peroxide 50 and detects.
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| CN2012102398086A CN102746667A (en) | 2012-07-12 | 2012-07-12 | Polyaniline/nanogold composite material synthesized by solid-phase method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342980A (en) * | 2013-06-26 | 2013-10-09 | 哈尔滨工业大学 | Preparation method for MWCNT/Fe3O4/PANI/Au multilayer wrapped nanotube |
| CN104122244A (en) * | 2013-04-25 | 2014-10-29 | 天津大学 | Application of Au-polyaniline nano-composite particle in surface enhanced Raman spectrum |
| CN104119527A (en) * | 2013-04-25 | 2014-10-29 | 天津大学 | Au-polyaniline nano-composite particle and preparation method thereof |
| CN105036069A (en) * | 2015-06-19 | 2015-11-11 | 首都师范大学 | Gold/poly(o-aminophenol), gold/poly(p-phenylenediamine) and gold/poly(o-phenylenediamine) nanoparticles as well as preparation method and application thereof |
| CN105482450A (en) * | 2014-10-11 | 2016-04-13 | 中国石油化工股份有限公司 | Preparation method and application of polyaniline-nano gold composite material |
| CN112980019A (en) * | 2021-03-25 | 2021-06-18 | 西安文理学院 | Method for preparing polyaniline-nanogold film through self-assembly regulation and control on liquid-liquid two-phase interface |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122244A (en) * | 2013-04-25 | 2014-10-29 | 天津大学 | Application of Au-polyaniline nano-composite particle in surface enhanced Raman spectrum |
| CN104119527A (en) * | 2013-04-25 | 2014-10-29 | 天津大学 | Au-polyaniline nano-composite particle and preparation method thereof |
| CN103342980A (en) * | 2013-06-26 | 2013-10-09 | 哈尔滨工业大学 | Preparation method for MWCNT/Fe3O4/PANI/Au multilayer wrapped nanotube |
| CN105482450A (en) * | 2014-10-11 | 2016-04-13 | 中国石油化工股份有限公司 | Preparation method and application of polyaniline-nano gold composite material |
| CN105036069A (en) * | 2015-06-19 | 2015-11-11 | 首都师范大学 | Gold/poly(o-aminophenol), gold/poly(p-phenylenediamine) and gold/poly(o-phenylenediamine) nanoparticles as well as preparation method and application thereof |
| CN112980019A (en) * | 2021-03-25 | 2021-06-18 | 西安文理学院 | Method for preparing polyaniline-nanogold film through self-assembly regulation and control on liquid-liquid two-phase interface |
| CN112980019B (en) * | 2021-03-25 | 2023-02-14 | 西安文理学院 | Method for preparing polyaniline-nanogold film through self-assembly regulation and control on liquid-liquid two-phase interface |
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Application publication date: 20121024 |